#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	float bmi, m, h;
	scanf("%f%f", &m, &h);
	bmi = m / (h * h);
	if (bmi < 18.5) printf("Underweight\n");
	else if (bmi >= 18.5 && bmi < 24) printf("Normal\n");
	else printf("%.6g\nOverweight\n", bmi);
	return 0;
}